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Finding the Fourth Proportional to 339,596.55, 509,604.89 and 197,508.51

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Solution

The fourth proportional to 339,596.55, 509,604.89 and 197,508.51 is: 296,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,596.55 : 509,604.89 = 197,508.51 : x
  2. Step 2: Convert to fraction form
    339,596.55/509,604.89 = 197,508.51/x
  3. Step 3: Cross multiply
    339,596.55x = 509,604.89 × 197,508.51
  4. Step 4: Simplify right side
    339,596.55x = 100,651,301,525.07
  5. Step 5: Solve for x
    x = 100,651,301,525.07/339,596.55
  6. Step 6: Final answer
    x = 296,384.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.